Kirby0
Kirby0 Kirby0
  • 14-04-2018
  • Chemistry
contestada

A particular nuclide has a mass number of 21 and contains 11 neutrons. What element is it? a. hydrogen b. neon c. sodium d. scandium

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vanessac18
vanessac18 vanessac18
  • 14-04-2018
The answer to that is D: scandium
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